EP3857285A1 - Verfahren und Vorrichtung zum Abrastern einer Probe - Google Patents
Verfahren und Vorrichtung zum Abrastern einer ProbeInfo
- Publication number
- EP3857285A1 EP3857285A1 EP19786270.9A EP19786270A EP3857285A1 EP 3857285 A1 EP3857285 A1 EP 3857285A1 EP 19786270 A EP19786270 A EP 19786270A EP 3857285 A1 EP3857285 A1 EP 3857285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wavelength
- points
- lighting
- raster
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/002—Scanning microscopes
- G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
- G02B21/0036—Scanning details, e.g. scanning stages
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/002—Scanning microscopes
- G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
- G02B21/0032—Optical details of illumination, e.g. light-sources, pinholes, beam splitters, slits, fibers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/002—Scanning microscopes
- G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
- G02B21/0052—Optical details of the image generation
- G02B21/0064—Optical details of the image generation multi-spectral or wavelength-selective arrangements, e.g. wavelength fan-out, chromatic profiling
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/002—Scanning microscopes
- G02B21/0024—Confocal scanning microscopes (CSOMs) or confocal "macroscopes"; Accessories which are not restricted to use with CSOMs, e.g. sample holders
- G02B21/0052—Optical details of the image generation
- G02B21/0076—Optical details of the image generation arrangements using fluorescence or luminescence
Definitions
- the invention relates to a method for scanning a sample in microscopy, in which at least three illumination points are generated to form a point pattern.
- the invention further relates to a device for scanning a sample in microscopy, with an illumination unit that generates at least three illumination points to form a dot pattern.
- Known microscopy methods for scanning a sample use point patterns from several illumination points. By using several lighting points, several points assigned to the lighting points can be scanned on or in the sample. The scanning process is parallelized, so to speak, and the speed at which the sample is scanned is increased.
- Known methods for scanning a sample also use illumination points with different wavelengths in order to excite different dyes in the sample, with which, for example, different sub-areas of the sample have been marked, for fluorescence. In this way, the position and the movement of the different sub-areas of the sample can be observed relative to one another.
- the illuminating light points are imaged in a sample and fluorescent light emitted by the sample is recorded with a camera.
- a microscope is known from US 2009109527 A1, in which an acousto-optical deflector (AOD) is used to generate illumination points which are arranged along a straight line and which are imaged in a sample.
- the fluorescent light emitted by the sample is detected with an arrangement of point detectors, with a point detector being assigned to each illumination point.
- AOD acousto-optical deflector
- a device for multispot scanning microscopy is known from EP 3217205 A1, with a multicolored light source for generating an illumination light beam, a separating device for separating the illuminating light beam into a plurality of illuminating light partial beams and an illuminating beam path for guiding and focusing the illuminating light partial beams into a luminous spot on or in a sample. At least two of the illuminating beam paths comprise controllable beam manipulation means for adjusting the spectral composition of the illuminating light partial beam assigned to the illuminating beam path.
- the device further comprises a scanning unit for guiding the light spots over the sample, a detection unit for detecting detection light and a control unit for controlling the scanning unit and the detection unit.
- At least three illumination points are generated to form a point pattern.
- the dot pattern formed by the illumination points is used to scan at least one predetermined area of the sample along a first direction to generate raster lines, which are each assigned to the illumination points of the dot pattern, and along a second direction to generate the raster lines - Because subsequently generated raster lines moved.
- the dot pattern has min at least two lighting points with a first wavelength and a single lighting point with a second wavelength different from the first wavelength.
- a raster line is a region of the sample that extends essentially in the first direction and is scanned by the at least two illumination points with the first wavelength and / or the illumination point with the second wavelength.
- the specified area of the sample thus comprises a plurality of raster lines which follow one another along the second direction. It is often referred to as a "region of interest" (ROI).
- ROI region of interest
- the method according to the invention scans the sample with the at least two illumination points of the first wavelength. At the same time, the sample is scanned with the one illumination point with the second wavelength.
- illumination points of different wavelengths allows in particular the excitation of two different fluorescent dyes with which different partial areas of the sample have been marked. In this way, for example, the position and the movement of the different partial areas can be observed relative to one another.
- the scanning process is parallelized, which increases the speed at which the sample is scanned with illumination points of the first wavelength. The increased speed makes it possible, in particular, to observe dynamic processes in the sample, for example biological processes.
- the method according to the invention thus combines the advantages of methods for scanning a sample with a dot pattern from a plurality of illumination points - a so-called multispot illumination - with the advantages of methods for scanning a sample that have a single illumination point - a so-called single spot or Single spot lighting - use.
- the first direction is preferably perpendicular to the second direction. This case is easy to implement and can be used for common sample geometries. Alternatively, any other angle other than 90 ° can also be included by the first direction and the second direction.
- the predetermined area is scanned continuously or step by step. Due to the continuous or step-by-step scanning, raster lines are scanned along the first direction, which serve as the basis for the generation of image lines in a later detection method.
- the predetermined area is completely scanned by the lighting points with the first wavelength in a single raster pass, and if, when moving the point pattern along the second direction, the predetermined area is scanned by the lighting point is completely scanned with the second wavelength in at least two raster passes.
- the dot pattern is shifted between two successive raster passes by at least one raster line along the second direction.
- the predetermined area is preferably completely scanned by the illumination point with the second wavelength in a number of raster passes which corresponds to the number of illumination points with the first wavelength and the dot pattern after each raster pass by at least one raster. line offset.
- the dot pattern is preferably moved along the second direction in such a way that it is moved in a raster step by at least two raster lines along the second direction. If the dot pattern is moved in the raster direction by at least two raster lines in the second direction, a maximum of every second raster line of the specified area is scanned by the illumination point with the second wavelength.
- the term “scanning through” means the complete scanning of the specified area with the aid of the illumination points with the first wavelength.
- a single raster run along the second direction can include movements of the dot pattern both with and against the second direction, as long as the predetermined range is completely scanned with the first wavelength by this procedure (ie covered by raster steps).
- the dot pattern is first moved in the second direction, whereby individual partial areas of the predetermined area are skipped (ie not scanned), and then the dot pattern is moved against the second direction in order to scan these partial areas skipped in the outward movement.
- a raster scan is a movement of the dot pattern with the second direction, partial areas are skipped, then a return against the second direction to the starting position (or another suitable position) and scanning of the first area that was skipped.
- a raster step is understood to mean moving the dot pattern along the second direction to produce a raster line, the raster line generated in this way following a different raster line (except in the case of the first raster step of a raster run).
- each raster line of the specified area can be scanned by the lighting points with the first wavelength, while only every second raster line of the specified area is scanned by the lighting point with the second wavelength.
- the raster lines of the predetermined area that are not rasterized by the illumination point with the second wavelength are rasterized in the first raster run.
- the dot pattern is preferably shifted by exactly one raster line in or against the second direction after a raster pass. If the raster lines serve as the basis for the generation of image lines in a later detection method, two images assigned to the first wavelength are generated for each image assigned to the second wavelength. As a result, a high refresh rate of images assigned to the first wavelength is achieved.
- the refresh rate of Images associated with the second wavelength are smaller by a factor that corresponds to the number of illumination points with the first wavelength.
- the illumination points of the dot pattern are arranged on a line along the second direction. This makes the process particularly simple since the generation and use of two-dimensional dot patterns is relatively complex in comparison to the generation of one-dimensional dot patterns.
- the illumination points are arranged equidistantly with the first wavelength.
- the equidistant arrangement of the lighting points with the first wavelength represents a particularly simple form of the dot pattern.
- the lighting points with the first wavelength can also be arranged in groups, the lighting points assigned to a group being equi-distant with the first wavelength are arranged at a first distance from one another, while the groups have a second distance from one another which differs from the first distance (see FIG. 3 for an example).
- a distance, defined in raster lines, between the illumination points with the first wavelength and / or a number of raster lines by which the dot pattern is moved in a raster step along the second direction also depends on the number of illumination points depends on the first wavelength.
- the distance between two lighting points defined in raster lines is understood to be the number of raster lines that one of the two lighting points has to be moved along the second direction in order to reach the position of the other lighting point to get. Two raster lines in direct succession are therefore at a distance of one raster line.
- the distance defined in raster lines between the lighting points with the first wavelength is equal to the number of lighting points with the first wavelength plus one.
- all raster lines of the specified area with the lighting points with the first wavelength can be scanned in one raster scan if the dot pattern in each of the raster steps by a number of raster lines corresponding to the number the lighting points are moved along the second direction.
- a number of raster passes is necessary which corresponds to the number of illumination points with the first wavelength.
- the illumination points with the first wavelength and the illumination point with the second wavelength are non-overlapping illumination points.
- the illumination points can overlap with the first wavelength and the illumination point with the second wavelength.
- the invention further relates to a device for scanning a sample in microscopy, with an illumination unit that generates at least three illumination points to form a point pattern.
- the device comprises a control unit for controlling the illumination unit, the control unit controlling the illumination unit in such a way that the illumination unit generates the dot pattern formed by the illumination points for scanning at least a predetermined area of the sample along a first direction of raster lines, each of which is assigned to the illumination points of the dot pattern, and moved along a second direction to generate raster lines which are subsequently generated in each case from the raster lines.
- the dot pattern generated with the aid of the lighting unit has at least two lighting points with a first wavelength and a single lighting point with a second wavelength different from the first wavelength.
- the illumination unit preferably has a scanning unit for moving the dot pattern along the first and / or second direction.
- the device according to the invention scans the sample with the at least two illumination points of the first wavelength and with the one illumination point with the second wavelength in parallel.
- the illumination points with different wavelengths make it possible, in particular, to excite two different fluorescent dyes with which, for example, two different partial areas of the sample are marked, for fluorescence.
- the rasterization process is parallelized, which increases the speed at which the sample is scanned with illumination points of the first wavelength. The increased speed makes it possible, in particular, to observe dynamic processes in the sample, for example biological processes.
- the device according to the invention thus combines the advantages of devices for scanning a sample with a dot pattern from a plurality of illumination points with the advantages of devices for scanning a sample that use lighting points with different wavelengths.
- the illumination points with the first wavelength and the illumination point with the second wavelength are preferably non-overlapping illumination points.
- the lighting points with the first wavelength and the lighting point with the second wavelength can overlap.
- the unit for generating the point pattern comprises at least one first wavelength-selective beam splitter.
- the first wavelength-selective beam splitter can, for example, be transparent to light with the first wavelength and reflect light with the second wavelength.
- the first light source unit generates a light bundle with the first wavelength and the lighting unit has a beam multiplication unit, the beam multiplication unit generating the illumination points with the first wavelength from the light bundle with the first wavelength.
- the beam multiplication unit preferably comprises at least one acousto-optical deflector (AOD) or at least one beam splitter.
- AOD acousto-optical deflector
- the use of an AOD enables flexible adjustment of the distances between the lighting points. With the help of beam splitters, complex dot patterns can also be generated.
- the invention further relates to a microscope with a device for scanning a sample according to the aforementioned type.
- the microscope according to the invention in particular enables microscopic observation of dynamic processes in the sample, for example biological processes. It is particularly advantageous if the microscope has a first detection unit that detects the detection light originating from the sample with a third wavelength assigned to the first wavelength, for example a spatially resolved surface detector, and a second detection unit that also includes the detection light originating from the sample a fourth wavelength assigned to the second wavelength, for example a non-spatially resolved point detector. This allows at least two different partial areas of the sample, which are marked with two different fluorescent dyes, to be observed microscopically at the same time.
- FIG. 1 shows a method for scanning a sample with two illumination points with a first wavelength and an illumination point with a second wavelength according to a first embodiment
- FIG. 2 shows a method for scanning a sample with three illumination points with the first wavelength and one illumination point with the second wavelength according to a second exemplary embodiment
- FIG. 3 shows a method for scanning a sample with four illumination points with the first wavelength and one illumination point with the second wavelength according to a third exemplary embodiment
- Figure 4 shows the method for scanning the sample according to a fourth embodiment
- Figure 5 shows the method for scanning the sample according to a fifth embodiment
- FIG. 6 shows a schematic illustration of a microscope with a device for scanning a sample according to an exemplary embodiment.
- FIGS. 1 to 5 show a method for scanning a sample using various exemplary embodiments.
- at least two illumination points with a first wavelength LI which are generally provided with the reference symbol 12 and are numbered with LIPO, L1P1, etc., and an illumination point 13 with a second wavelength L2 are generated to form a dot pattern.
- the dot pattern which is generally given the reference numeral 10 below, is moved to scan at least one predetermined area 40 of the sample 102.
- the movement of the dot pattern 10 takes place along a first direction for the generation of raster lines assigned to the illumination points 12, 13 of the dot pattern 10, which are generally provided with the reference number 14 below, and along a second direction for the generation of the raster lines 14 raster lines 14 each subsequently generated.
- the at least one predetermined area 40 is continuously scanned along the first direction and scanned step by step along the second direction.
- the step-by-step scanning of the predetermined region 40 along the second direction takes place in grid steps which are generally provided with the reference symbol 16.
- Figures 1 to 3 the respective positions of the illumination points 12, 13 along the second direction, ie from top to bottom in FIGS. 1 to 3, are shown in chronologically successive raster steps 16 which are numbered starting with 0.
- the sample is scanned in a plurality of chronologically successive raster runs, which are generally provided with the reference symbol 18 and which are numbered starting with 0.
- a first raster area 42 is scanned by the illumination points 12 with the first wavelength LI, which is shown in FIGS. 1 to 3 to the right of the respective raster pass 18.
- a second raster area 43 is scanned in each raster pass 18 by the illumination point 13 with the second wavelength L2, which is also shown on the right of the respective raster pass 18 in FIGS. 1 to 3.
- FIG. 1 shows the method for scanning a sample with two illumination points 12 with the first wavelength LI and one illumination point 13 with the second wavelength L2 according to a first exemplary embodiment.
- the two lighting points 12 with the first wavelength LI are arranged at a distance of three raster lines 14 along the second direction.
- the illumination point 13 with the second wavelength L2 is arranged at a distance from a raster line 14 in the second direction to the first illumination point 12 (numbered with LIPO) with the first wavelength LI such that the three illumination points 12, 13 of the dot pattern 10 are in a line are arranged along the second direction.
- the step-by-step scanning of the predetermined area 40 along the second direction is carried out by the dot pattern 10 in each step 16 by two Raster lines 14 is moved along the second direction.
- the positions of the dot pattern 10 with raster steps 16 assigned to one another, ie with raster steps 16 with the same numbering, is in the second raster run 18 (numbered 1) compared to the first raster run 18 (numbered 0) by one raster line 14 in the direction of the second Offset direction.
- the first raster region 42 which completely encompasses the predetermined region 40, is scanned by the illumination points 12 with the first wavelength LI. Every second raster line 14 of the predetermined area 40 is scanned by the illumination point 13 with the second wavelength L2 in each raster pass 18.
- the illumination point 13 scans a third raster region 44 with the second wavelength L2, which completely encompasses the predetermined region 40 and which is shown on the far right in FIG.
- the predetermined region 40 is consequently completely scanned in two successive raster passes 18 through the illumination point 13 with the second wavelength L2.
- Results obtained by detection can advantageously be used individually in each of the raster runs 18.
- Images associated with the first and second wavelengths LI, L2 can be generated from these results.
- the image associated with the first wavelength LI can be displayed after each raster pass 18.
- the image associated with the second wavelength L2 can be displayed after every second raster pass 18.
- the image assigned to the first wavelength LI can consequently be displayed with a frame rate twice as high as the image assigned to the second wavelength L2.
- Figure 2 shows the method for scanning the sample according to a second embodiment.
- FIG. 2 is divided into three sub-figures 2A to 2C, which follow one another on the dash-dotted lines.
- the second exemplary embodiment shown in FIG. 2 differs from the first exemplary embodiment shown in FIG.
- the sample 102 is scanned with three illumination points 12 with the first wavelength LI and one illumination point 13 with the second wavelength L2.
- the total of four lighting points 12, 13 of the point pattern 10 are arranged on a line along the second direction.
- the three lighting points 12 with the first wavelength LI are arranged at a distance of four raster lines 14 along the second direction.
- the step-by-step scanning of the predetermined region 40 along the second direction takes place in the second exemplary embodiment shown, in that the dot pattern 10 is moved by three raster lines 14 along the second direction in each raster step 16.
- the positions of the dot pattern 10 with mutually assigned raster steps 16, i.e. in the case of raster steps 16 with the same numbering, one raster line 14 is offset in the direction of the second direction in the case of directly successive raster passes 18.
- every third raster line 14 of the predetermined area 40 is scanned by the illumination point 13 with the second wavelength L2 in each raster run 18.
- the third raster range 44 is scanned by the illumination point 13 with the second wavelength L2, which completely encompasses the predetermined range 40 and which is shown on the far right in FIG. 2C.
- the predetermined area 40 is consequently completely scanned in three successive raster passes 18 through the illumination point 13 with the second wavelength L2.
- the image associated with the second wavelength L2 can be displayed after every third raster pass 18.
- the representation of the image assigned to the first wavelength LI can consequently take place with a frame rate that is three times as high as the representation of the image associated with the second wavelength L2.
- FIG. 3 shows the method for scanning the sample in accordance with a third exemplary embodiment.
- FIG. 3 is divided into four sub-figures 3A to 3D, which follow one another on the dash-dotted lines.
- the third exemplary embodiment shown in FIG. 3 differs from the first exemplary embodiment shown in FIG. 1 essentially in that the sample 102 is scanned with four illumination points 12 with the first wavelength LI and one illumination point 13 with the second wavelength L2.
- the five lighting points 12, 13 of the dot pattern 10 are arranged on a line along the second direction.
- the four lighting points 12 with the first wavelength LI are divided into two groups 20, each with two lighting points 12 with the first wavelength LI.
- the two illumination points 12 with the first wavelength LI of each of the two groups 20 are arranged at a distance of two raster lines 14 along the second direction.
- the two groups 20 are spaced three apart Raster lines 14 to each other.
- the illumination point 13 with the second wavelength L2 is arranged at a distance from a raster line 14 in the second direction to the first illumination point 12 (numbered with LIPO) with the first wavelength LI.
- Every fourth raster line 14 of the predetermined area 40 is scanned by the illumination point 13 with the second wavelength L2 in each raster pass 18.
- a third raster region 44 is scanned by the illumination point 13 with the second wavelength L2, which completely encompasses the predetermined region 40 and which is shown on the far right in FIG. 3D.
- the predetermined area 40 is consequently completely scanned in four successive raster passes 18 by the illumination point 13 with the second wavelength L2.
- the image associated with the second wavelength L2 can be displayed after every fourth raster pass 18.
- the image associated with the first wavelength LI can consequently be displayed at a frame rate that is four times as high as the image associated with the second wavelength L2.
- FIG. 4 shows the method for scanning the sample in accordance with a fourth exemplary embodiment.
- FIG. 4 is divided into four sub-figures 4A to 4D, which follow one another on the dash-dotted lines.
- the fourth exemplary embodiment shown in FIG. 4 differs from the first exemplary embodiment shown in FIG. 3 essentially in that the four illumination points 12 are arranged equidistantly with a spacing of five raster lines 14 along the second direction.
- the predefined region 40 is consequently completely scanned in four successive raster passes 18 by the illumination point 13 with the second wavelength L2.
- FIG. 5 shows the method for scanning the sample in accordance with a fifth exemplary embodiment.
- the fifth exemplary embodiment shown in FIG. 5 essentially differs from the first exemplary embodiment shown in FIG. 1 in that the first illumination point denoted by LIPO with the first wavelength LI and the second illumination point denoted by L1P1 with the first wavelength LI do not lie on a line along the second direction. Furthermore, the first illumination point with the first wavelength LI and the illumination point designated L2 with the second wavelength L2 partially overlap.
- FIG. 6 shows a schematic illustration of a microscope 100 with a device 110 for scanning a sample 102 in accordance with an exemplary embodiment.
- the microscope 100 furthermore comprises objective optics 104, a first detection unit 106, a second detection unit 108 and an observation beam path 112.
- the microscope 100 according to FIG. 6 is particularly suitable for implementing the method according to one of the exemplary embodiments Figures 1 to 5 perform.
- the device 110 for scanning the sample 102 comprises an illumination unit 114 for generating a dot pattern 10, a control unit 116 for Control of the lighting unit 114 and other optical elements, such as, for example, lenses, diaphragms, filters or prisms, which are generally designated by the reference mark 118.
- the lighting unit 114 has a first light source unit 120 for generating lighting points 12 with a first wavelength LI and a second light source unit 122 for generating an lighting point 13 with a second wavelength L2.
- the lighting unit 114 also has a first wavelength-selective beam splitter 124 for generating the point pattern 10.
- the first light source unit 120 has a first light source 126 which generates a light bundle 127 with the first wavelength LI, and a beam multiplication unit 128, for example a beam splitter or an acousto-optical deflector (AOD), which generates the illumination points 12 with the first wavelength LI from the light bundle 127 with the first wavelength LI.
- AOD acousto-optical deflector
- the illumination unit 114 also has a scanning unit 130 (for example comprising one or more scanning mirrors) for moving the dot pattern 10 along a first and a second direction.
- the scanning unit 130 is arranged outside the observation beam path 112.
- the scanning unit 130 can be arranged within the observation beam path 112, as a result of which the scanning or scanning movement is canceled again when detection light 138, 139 emanating from the sample 102 returns. This is commonly referred to as a "descanned" arrangement.
- the control unit 116 controls the scanning unit 130 of the lighting unit 114 in such a way that the scanning unit 130 scans the dot pattern 10 for scanning at least a predetermined area 40 of the sample 102 along the first Direction for generating raster lines 14, each of which is assigned to the illumination points 12, 13 of the dot pattern 10, and moved along the second direction for generating raster lines 14 which are subsequently generated in each case.
- the observation beam path 112 is located between the sample 102 and the first detection unit 106.
- the objective optics 104 In the observation beam path 112 are the objective optics 104, a second wavelength-selective beam splitter 132, a third wavelength-selective beam splitter 134 and further optical elements such as lenses, diaphragms, filters or prisms, which are generally designated by reference numeral 136.
- the second wavelength-selective beam splitter 132 reflects light with the first wavelength LI and with the second wavelength L2 and is transmissive to light with a third wavelength LI 'assigned to the first wavelength LI.
- the second wavelength-selective beam splitter 132 couples the dot pattern 10 generated by the illumination unit 114 into the observation beam path 112, which thus also serves as an illumination beam path, and reflects it in the direction of the objective optics 104.
- the objective optics 104 images the dot pattern 10 on or in the sample 102.
- the dot pattern 10 there excites dyes to emit detection light 138 with the third wavelength LI 'and detection light 139 with the fourth wavelength L2'.
- the detection light 138 emanating from the sample 102 with the third wavelength LI 'and the detection light 139 emanating from the sample 102 with the fourth wavelength L2' is guided into the observation beam path 112 by the objective optics 104.
- the third wavelength-selective beam splitter 134 reflects light with the fourth wavelength L2 'and is transparent to light with the first wavelength LI, light with the second wavelength L2 and light with the third wavelength LI'.
- the third wavelength-selective beam splitter 134 couples the detection light 139 from the sample 102 with the fourth wavelength L2 'out of the observation beam path 112 and directs it into the second detection unit 108.
- the first detection unit 106 comprises a first emission filter 140, which is only permeable to light with the third wavelength LI ', and a first sensor element 142, for example a CCD chip.
- the first sensor element 142 detects the detection light emanating from the sample 102 138 recorded with the third wavelength LI '.
- the detection light 138 with the third wavelength LI 'detected by the first sensor element 142 can in particular serve as the basis for the generation of an image associated with the first wavelength LI.
- the first sensor element 142 can also comprise a plurality of point detectors, with each lighting point 12 having the first wavelength LI having its own point detector.
- the second detection unit 108 comprises a second emission filter 144, which is only permeable to light with the fourth wavelength L2 ', a second sensor element 146, which is designed, for example, as a 1-channel detector, and further optical elements, such as for example lenses, diaphragms, filters or prisms, which are generally designated by the reference symbol 148.
- the second sensor element 146 detects the detection light 139 emanating from the sample 102 with the fourth wavelength L2 '.
- the detection light 139 with the fourth wavelength L2 'detected by the second sensor element 146 can serve in particular as the basis for generating an image associated with the second wavelength L2.
- both the detection light 138 with the third wavelength LI 'and the detection light 139 with the fourth wavelength L2' are detected by the first sensor element 142.
- the microscope 100 according to the alternative configuration therefore does not require a second detection unit 108 and no wavelength-selective beam splitter 134.
- the second wavelength-selective beam splitter 132 is also transparent to light with a fourth wavelength L2 'assigned to the second wavelength L2.
- the microscope 100 according to the alternative embodiment has an image separation system (“image splitting device”) for splitting light incident into the first detection unit 106 according to the third wavelength L1 'and the fourth wavelength L2'.
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Abstract
Description
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018123381.7A DE102018123381A1 (de) | 2018-09-24 | 2018-09-24 | Verfahren und Vorrichtung zum Abrastern einer Probe |
| PCT/EP2019/075104 WO2020064481A1 (de) | 2018-09-24 | 2019-09-19 | Verfahren und Vorrichtung zum Abrastern einer Probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3857285A1 true EP3857285A1 (de) | 2021-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19786270.9A Pending EP3857285A1 (de) | 2018-09-24 | 2019-09-19 | Verfahren und Vorrichtung zum Abrastern einer Probe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12066614B2 (de) |
| EP (1) | EP3857285A1 (de) |
| JP (1) | JP7268144B2 (de) |
| DE (1) | DE102018123381A1 (de) |
| WO (1) | WO2020064481A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102017125688A1 (de) * | 2017-11-03 | 2019-05-09 | Leica Microsystems Cms Gmbh | Verfahren und Vorrichtung zum Abrastern einer Probe |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9015793D0 (en) * | 1990-07-18 | 1990-09-05 | Medical Res Council | Confocal scanning optical microscope |
| DE19858456A1 (de) * | 1998-12-18 | 2000-07-06 | Leica Microsystems | Verfahren zum Auffinden, zur Aufnahme und gegebenenfalls zur Auswertung von Objektstrukturen |
| US7684048B2 (en) * | 2005-11-15 | 2010-03-23 | Applied Materials Israel, Ltd. | Scanning microscopy |
| JP4891057B2 (ja) | 2006-12-27 | 2012-03-07 | オリンパス株式会社 | 共焦点レーザー走査型顕微鏡 |
| JP5259154B2 (ja) | 2007-10-24 | 2013-08-07 | オリンパス株式会社 | 走査型レーザ顕微鏡 |
| BRPI0819301A2 (pt) * | 2007-11-23 | 2015-05-12 | Koninkl Philips Electronics Nv | Gerador de pontos, e , microscópio de varredura de multipontos |
| US20120257037A1 (en) * | 2011-04-07 | 2012-10-11 | Valerica Raicu | High speed microscope with two-stage scanning for detection of rarities in samples |
| DE102012019121A1 (de) * | 2011-09-29 | 2013-04-04 | Carl Zeiss Microscopy Gmbh | Verfahren zur Variation des Scanfeldes eines Laser-Scanning-Mikroskops |
| ITMO20130078A1 (it) | 2013-03-25 | 2014-09-26 | Angelo Egidio D | Metodo di generazione di immagine di un campione fluorescente |
| DE102013021482A1 (de) | 2013-12-17 | 2015-06-18 | Carl Zeiss Microscopy Gmbh | Verfahren zur Scanning-Mikroskopie und Scanning-Mikroskop |
| DE102014119027B4 (de) * | 2014-12-18 | 2024-08-08 | Carl Zeiss Microscopy Gmbh | Vorrichtung zur Multispot-Scan-Mikroskopie |
| DE102016102286A1 (de) | 2016-02-10 | 2017-08-10 | Carl Zeiss Microscopy Gmbh | Vorrichtung und Verfahren zur Multispot-Scanning-Mikroskopie |
| WO2017205857A1 (en) * | 2016-05-27 | 2017-11-30 | Verily Life Sciences Llc | Systems and methods for 4-d hyperspectrial imaging |
| DE102016119730A1 (de) | 2016-10-17 | 2018-04-19 | Carl Zeiss Microscopy Gmbh | Optikgruppe für Detektionslicht für ein Mikroskop, Verfahren zur Mikroskopie und Mikroskop |
-
2018
- 2018-09-24 DE DE102018123381.7A patent/DE102018123381A1/de not_active Ceased
-
2019
- 2019-09-19 US US17/278,691 patent/US12066614B2/en active Active
- 2019-09-19 JP JP2021516682A patent/JP7268144B2/ja active Active
- 2019-09-19 WO PCT/EP2019/075104 patent/WO2020064481A1/de not_active Ceased
- 2019-09-19 EP EP19786270.9A patent/EP3857285A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US12066614B2 (en) | 2024-08-20 |
| JP7268144B2 (ja) | 2023-05-02 |
| JP2022500704A (ja) | 2022-01-04 |
| WO2020064481A1 (de) | 2020-04-02 |
| DE102018123381A1 (de) | 2020-03-26 |
| US20220043245A1 (en) | 2022-02-10 |
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